To find square numbers, you multiply the number by itself.
For example:
5 x 5 = 25
10 x 10 = 100
Answer:
1.-204.5 2.-557
Step-by-step explanation:
Step-by-step explanation:
Let θ be the angle of depression i.e the angle between the horizontal and the observer's line of sight.
tanθ= (Height of the light house)/(Horizontal distance of ship from the base of light house)
∴tanθ=88/1532=0.0574
∴θ=tan−1(0.0574)=3.290(2dp)
4 tens and 10 ones is 410
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